CN202013495U - Electric measurement and control system with safety control function - Google Patents
Electric measurement and control system with safety control function Download PDFInfo
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- CN202013495U CN202013495U CN2011200098073U CN201120009807U CN202013495U CN 202013495 U CN202013495 U CN 202013495U CN 2011200098073 U CN2011200098073 U CN 2011200098073U CN 201120009807 U CN201120009807 U CN 201120009807U CN 202013495 U CN202013495 U CN 202013495U
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Abstract
The utility model provides an electric measurement and control system with safety control function, which is used as a bridge between an upper computer and to-be-tested equipment of a test and measurement system. The electric measurement and control system comprises a box body provided with a bus and functional cards mounted in the box body in a pluggable manner. Each functional card is connected with the bus for data exchange. The functional cards comprise a supply card supplying working voltage for the other functional cards, a main control card receiving instructions of the host computer to read signals of the other functional cards or control the output signals of the other functional cards, and a safety card receiving safety signals, transmitting the safety signals to the main control card for analysis, and starting safety control actions to systems or equipment under the control of the main control card. The electric measurement and control system can connect different functional cards with corresponding to-be-tested and to-be-controlled equipment, avoids complicate external wiring and has high integration level. When a new measure and control function is needed to be added, a user can add a corresponding functional card. Safety control can be started to reduce safety accidents when the equipment is in abnormal running.
Description
Technical field
The utility model relates to a kind of TT﹠C system, relates in particular to a kind of electrical control system with security control function.
Background technology
The electric measurement system is widely used in fields such as Aeronautics and Astronautics, automobile, boats and ships, electronic equipment, oil, and traditional electric measurement system when testing requirement changes, also will change original design at concrete testing requirement design metering circuit; And along with the fast development of industrial technology, the parameter that needs to measure gets more and more, and the circuit design and the mode of connection all become and become increasingly complex with loaded down with trivial details.This shows that the traditional design mode of this electric measurement system can not satisfy the demand of industrial test fields of measurement well, have that integrated level is not high, many defectives such as poor compatibility, electrical wiring trouble and later maintenance difficulty.And the potential safety hazard that traditional TT﹠C system can't checkout equipment can't be carried out effective safety practice to avoid treating checkout equipment or personnel cause danger when there is potential safety hazard in equipment to be detected.
The utility model content
In view of the above-mentioned problems in the prior art, fundamental purpose of the present utility model is to address the deficiencies of the prior art, provide a kind of integrated level height, compatible strong, be electrically connected conveniently, be easy to later maintenance and have the electrical control system that safety practice starts function.
For achieving the above object, the utility model provides a kind of electrical control system with security control function, is connected between host computer and the equipment to be detected, comprising:
Casing is laid with bus on the casing backboard; And
A plurality of function cards that are installed in the casing, each function card are connected with bus to realize the exchanges data between each function card with plugging, and a plurality of function cards comprise:
Power card is for other function card except that power card in a plurality of function cards provides operating voltage;
Main control card, the instruction that receives host computer is with signal that reads other function card except that main control card and power card or the output signal of controlling other function card except that main control card and power card;
The security control card, receive electrical control system or equipment to be detected safety signal and with the signal that receives be sent to main control card analyze with the safe condition of testing equipment to be detected and under the control of main control card to electrical control system or device start security control to be detected action.
According to technical conceive of the present utility model, safety signal comprises safety door signal, safe grating signal, scram button signal.
According to technical conceive of the present utility model, the security control card is provided with watchdog circuit, the instruction of the running software situation of the host computer of watchdog circuit reception main control card feedback is monitored with the software operation state to host computer, and starts the security control action when running software is unusual.
According to technical conceive of the present utility model, the casing backboard is provided with a plurality of interfaces that are connected to bus, and each function card links to each other by corresponding Interface ﹠ Bus.
According to technical conceive of the present utility model, bottom half or top are provided with a plurality of draw-in grooves that are used to locate each function card.
According to technical conceive of the present utility model, a plurality of function cards also comprise from the digital input card of outside receiving digital signals with to the digital output card of outside output digital signal.
According to technical conceive of the present utility model, bus comprises data bus, a plurality of function cards also comprise the matrix switch switch card, are provided with switch matrix circuit in the matrix switch switch card, and the signal that switch matrix circuit will need to gather under the control of main control card switches to data bus and reads.
According to technical conceive of the present utility model, bus comprises data bus, and a plurality of function cards also comprise the data acquisition access card, is used for the external data capture card, and the data acquisition access card receives the signal on the data bus and is sent to data collecting card.
According to technical conceive of the present utility model, bus comprises data bus, a plurality of function cards also comprise the signal condition card, the signal condition card is used to connect outside signal measurement device, and the signal condition card carries out conditioning operation to export the signal that is fit to the signal measurement device collection from the data bus received signal and to the signal that receives.
According to technical conceive of the present utility model, each function card has identification code.
The electrical control system that the utlity model has the security control function can be connected to different function cards corresponding signal to be detected or signal to be controlled easily, avoided the loaded down with trivial details and redundant of external cabling, the integrated level height, be electrically connected convenient and be easy to later maintenance.When needs increase new observing and controlling function, only need to increase the function corresponding integrated circuit board, compatible strong; Can avoid simultaneously because problems such as the improper travelling speed that reduces measuring system of the laying of the integrated circuit on the integrated circuit board, stability.The electrical control system that the utlity model has the security control function is received safety signal and can be started the security control action under the control at main control card when electrical control system or equipment operation to be detected are unusual by the security control clamping, can reduce equipment and personnel's danger.
Foregoing is general introduction of the present disclosure, and therefore the situation of simplification, summary and omissions of detail must be arranged; Those skilled in the art will appreciate that overview section only is to explanation of the present disclosure, and should not regard as any qualification of the present disclosure.The others of device of describing in this instructions and/or method and/or other theme, feature and advantage will become clear owing to the elaboration of this instructions.Overview section is to be used for mode with a kind of simplification to import a plurality of notions that will partly further describe in following embodiment.This overview section is neither be used for determining the key feature or the essential feature of claimed subject, the also non-supplementary means that is used as the scope of determining claimed subject.
Description of drawings
By the following describes book and appending claims and combining, will know more fully and understand above-mentioned and further feature of the present disclosure with accompanying drawing.Should be appreciated that these accompanying drawings only are the descriptions to disclosure plurality of embodiments, should not think the qualification to the scope of disclosure, by accompanying drawing, content of the present disclosure will obtain clear and definite more and explain.
Fig. 1 is the structural representation that the utlity model has the electrical control system better embodiment of security control function.
Fig. 2 is the module map of the electrical control system with security control function among Fig. 1.
Embodiment
In below the embodiment part, describe in conjunction with the accompanying drawing of a book part as an illustration.In the accompanying drawings, identical/similarly the mark ordinary representation identical/similar parts, unless explanation is arranged in the instructions in addition.The illustrational embodiment of describing in embodiment, accompanying drawing and claims that is used for should not thought qualification of the present disclosure.Under the situation of the spirit or scope of the theme that does not depart from disclosure statement, can adopt other embodiment of the present disclosure, and can make other variation the disclosure.Should be readily appreciated that, can carry out various different configuration, replacement, the combinations that constitute to the various aspects of the present disclosure of graphic extension in general that describe, the accompanying drawing in this instructions, design, and all these change all obviously in the contemplation, and constitute a part of this disclosure.
Please refer to Fig. 1 and Fig. 2, the electrical control system that the utlity model has the security control function communicates by network and host computer, receives the instruction of its transmission and feeds back signal to be detected or the status signal of system self.Host computer can be equipment such as upper PC or PXI.The better embodiment that the utlity model has the electrical control system of security control function comprises casing 10 and a plurality of function card that is installed in the casing 10 with plugging, casing 10 has backboard, be furnished with bus on the backboard, each function card is connected with bus to realize the exchanges data between the function card, and function card comprises main control card 21, power card 22 and security control card 25.Power card 22 is used to other function card except that power card that operating voltage is provided.Main control card 21 is used for instructing exchange with host computer, and controls the work of other function card except that main control card 21 and power card 22 in a plurality of function cards.The instruction that main control card 21 receives host computers to be reading the signal of other function card except that main control card 21 and power card 22, or controls the output signal of other function card except that main control card and power card.Security control card 25 receives the safety signal of the electrical control system that the utlity model has the security control function or equipment to be detected and the signal that receives is sent to main control card analyzes safe condition with detecting electric TT﹠C system or equipment to be detected, security control card 25 under the control of main control card to electrical control system or device start security control to be detected action.For example, security control card 25 can be connected to security classes equipment (safe grating, scram button etc.) to receive safety signal, main control card 21 detects the safe condition of this kind equipment according to safety signal and controls security control card 25 and starts the security control action, for example, cut off system works power supply, source of the gas, off switch, startup warning etc. to avoid that equipment or people are caused danger.
Alternatively, bus on the backboard comprises control bus CB and data bus DB, bus on the backboard can be supported multiple communication modes, as IIC (Inter-Integrated Circuit, internal integrated circuit) communication modes, CAN (Controller Area Network, controller local area network) communication modes.
Alternatively, the backboard of casing 10 is provided with the interface of a plurality of connecting bus, and each function card is connected on the bus of backboard by the interface of correspondence, to realize the exchanges data between each function card.
Alternatively, the bottom of casing 10 or top are provided with a plurality of draw-in grooves 11 that are used to locate each function card.Alternatively, the bottom of casing 10 is all parallel with the top and be provided with draw-in groove 11 equably.
Alternatively, main control card 21 connects host computer 30 by network, receive and resolve the steering order of host computer 30, main control card 21 is controlled the duty of each function card under the control of host computer 30, main control card 21 is provided with RJ-45 ethernet interface, DB9 RS232 communication interface and system state indicator, and system state indicator can comprise system power on pilot lamp and system's run indicator.
Alternatively, main control card 21 is by the communication of the realization of the ARM built-in industrial control module on it with host computer 30.
Alternatively, the safety signal of security control card 25 receptions can be safety door signal, safe grating signal, scram button signal etc.
Alternatively, security control card 25 is provided with the watchdog circuit of the software operation state in the monitoring host computer 30, host computer 30 is according to sending instruction to main control card 21 at interval, main control card 21 receives after the instruction promptly, and the watchdog circuit in security control card 25 feeds back this instruction, when watchdog circuit is not received the instruction of main control card 21 feedbacks in intended duration, promptly start the security control action.
Alternatively, function card also comprises digital input card 23 and digital output card 24.
Alternatively, function card also comprises DAQ (Data Acquisition, data acquisition) access card 26, signal condition card 27 and matrix switch switch card 28, and each function card all has identification code.
Be provided with switch matrix circuit in the matrix switch switch card 28, the signal that switch matrix circuit will need to gather under the control of main control card 21 switches to data bus, the matrix switch switch card can use in conjunction with DAQ access card 26 and signal condition card 27, main control card 21 sends switch-over control signal to the matrix switch card under the control of host computer 30, switch on the data bus DB with the signal that needs are read, thereby make DAQ access card 26 or signal condition card 27 export signal to be analyzed, that handle, show or measure.
The subject content of describing in this instructions illustrates some different parts sometimes, and these parts are contained in or are connected in other different parts.Should be appreciated that described these structures only are exemplary, in fact, also can realize same function with many other structures.On notion, any configured parts that is used to realize same function all by " association " effectively to obtain required function.Therefore, be combined in this instructions together with any two parts of realizing specific function and can be considered " association " mutually obtaining required function, no matter and its structure or possible intermediate member how.Similarly, so related any two parts also can be considered mutually and " are operably connected ", that is " operationally coupling " to realize required function, any two parts that can so be connected also can be considered and " can operationally be coupled " mutually with the realization required function.The object lesson that can operationally be coupled includes but not limited to: parts that physically can be coupled and/or physically synergistic and/or can wireless synergistic and/or wireless synergistic parts and/or interact in logic and/or in logic can synergistic parts.
Claims (10)
1. the electrical control system with security control function is connected between host computer and the equipment to be detected, and described electrical control system with security control function comprises:
Casing is laid with bus on the casing backboard; And
A plurality of function cards that are installed in the casing, each function card are connected with described bus to realize the exchanges data between each function card with plugging, and described a plurality of function cards comprise:
Power card is for other function card except that power card in described a plurality of function cards provides operating voltage;
Main control card, the instruction that receives host computer is with signal that reads other function card except that main control card and power card or the output signal of controlling other function card except that main control card and power card;
The security control card, receive described electrical control system or equipment to be detected safety signal and with the signal that receives be sent to main control card analyze with the safe condition of testing equipment to be detected and under the control of main control card to described electrical control system or device start security control to be detected action.
2. the electrical control system with security control function as claimed in claim 1 is characterized in that, described safety signal comprises safety door signal, safe grating signal, scram button signal.
3. the electrical control system with security control function as claimed in claim 1 is characterized in that, described security control card is provided with watchdog circuit.
4. the electrical control system with security control function as claimed in claim 1 is characterized in that, the casing backboard is provided with a plurality of interfaces that are connected to described bus, and each function card links to each other with described bus by corresponding interface.
5. the electrical control system with security control function as claimed in claim 1 is characterized in that, bottom half or top are provided with a plurality of draw-in grooves that are used to locate each function card.
6. the electrical control system with security control function as claimed in claim 1 is characterized in that, described a plurality of function cards also comprise from the digital input card of outside receiving digital signals with to the digital output card of outside output digital signal.
7. the electrical control system with security control function as claimed in claim 1, it is characterized in that, described bus comprises data bus, described a plurality of function card also comprises the matrix switch switch card, be provided with switch matrix circuit in the matrix switch switch card, the signal that switch matrix circuit will need to gather under the control of main control card switches to data bus and reads.
8. the electrical control system with security control function as claimed in claim 1, it is characterized in that, described bus comprises data bus, described a plurality of function card also comprises the data acquisition access card, be used for the external data capture card, the data acquisition access card receives the signal on the data bus and is sent to data collecting card.
9. the electrical control system with security control function as claimed in claim 1, it is characterized in that, described bus comprises data bus, described a plurality of function card also comprises the signal condition card, the signal condition card is used to connect outside signal measurement device, and the signal condition card carries out conditioning operation to export the signal that is fit to the signal measurement device collection from the data bus received signal and to the signal that receives.
10. the electrical control system with security control function as claimed in claim 1 is characterized in that, each described function card has identification code.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200098073U CN202013495U (en) | 2011-01-13 | 2011-01-13 | Electric measurement and control system with safety control function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200098073U CN202013495U (en) | 2011-01-13 | 2011-01-13 | Electric measurement and control system with safety control function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202013495U true CN202013495U (en) | 2011-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200098073U Expired - Fee Related CN202013495U (en) | 2011-01-13 | 2011-01-13 | Electric measurement and control system with safety control function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202013495U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102591316A (en) * | 2011-01-13 | 2012-07-18 | 北京泛华恒兴科技有限公司 | Electric measurement and control system |
| CN111324079A (en) * | 2020-04-16 | 2020-06-23 | 施耐德万高（天津）电气设备有限公司 | Medium-voltage power supply control device |
-
2011
- 2011-01-13 CN CN2011200098073U patent/CN202013495U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102591316A (en) * | 2011-01-13 | 2012-07-18 | 北京泛华恒兴科技有限公司 | Electric measurement and control system |
| CN111324079A (en) * | 2020-04-16 | 2020-06-23 | 施耐德万高（天津）电气设备有限公司 | Medium-voltage power supply control device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111019 Termination date: 20190113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |